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Finding the Fourth Proportional to 341,543.40, 512,404.70 and 131,188.20

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Solution

The fourth proportional to 341,543.40, 512,404.70 and 131,188.20 is: 196,816.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,543.40 : 512,404.70 = 131,188.20 : x
  2. Step 2: Convert to fraction form
    341,543.40/512,404.70 = 131,188.20/x
  3. Step 3: Cross multiply
    341,543.40x = 512,404.70 × 131,188.20
  4. Step 4: Simplify right side
    341,543.40x = 67,221,450,264.54
  5. Step 5: Solve for x
    x = 67,221,450,264.54/341,543.40
  6. Step 6: Final answer
    x = 196,816.72

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